the next three questions involves bayes's theorem. use the following information to answer questions 9, 10, and 11. in the billing department of a local city, alice, bill, and charley prepare and mail out 50%, 30%, and 20% of the real-estate tax bills, respectively, to property owners. the bills are verified by the treasurer before mailing. if 0.5% of the tax bills prepared by alice, 0.3% of the tax bills prepared by bill, and 1.0% of the tax bills prepared by charlie are inaccurate, what are the probabilities that an inaccurate statement detected by the treasurer at final verification was prepared by: a) alice express your answer as decimal rounded to 1 decimal place